Answer:
39.25 cm
Step-by-step explanation:
The formula for a circle is pi x radius x radius.
So to get the radius, you multiply 10 and 1/2. You should get 5. Then you multiply 5 by 5. You should get 25.
Then you multiply 3.14 and 25. You should get 78.5.
The last step is to divide 2 by 78.5. You should get 39.25
Answer:
C
Step-by-step explanation:
Answer:
$99
Step-by-step explanation:
100 - (100 x .10) = 90
90 + (90 x .10) = 99
Answer: 4.8
Step-by-step explanation: